A037792 Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 3,2,0,1.

3, 32, 320, 3201, 32013, 320132, 3201320, 32013201, 320132013, 3201320132, 32013201320, 320132013201, 3201320132013, 32013201320132, 320132013201320, 3201320132013201

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Index entries for linear recurrences with constant coefficients, signature (11,-11,11,-10).

Formula

G.f.: x*(3-x+x^2) / ( (x-1)*(10*x-1)*(x^2+1) ). - R. J. Mathar, Aug 04 2013

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 2, 0, 1}]], {n, 20}] (* or *) LinearRecurrence[ {11, -11, 11, -10}, {3, 32, 320, 3201}, 20] (* Harvey P. Dale, Jan 18 2014 *)

Crossrefs

Sequence in context: A035533 A278303 A029502 * A037673 A037799 A091706

Adjacent sequences: A037789 A037790 A037791 * A037793 A037794 A037795

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved